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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:01:35                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              137/Kleberg                                               VRSN:      W
                                                        137-902/Ricardo ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               17,257,999        0.9407            18,345,912               8              386         .007202262
      2           A               17,213,696        0.9707            17,733,281               7              167         .002887374
      3           A               17,124,577        0.9398            18,221,512               8              121         .001324834
      4           A               17,124,501        0.9638            17,767,691               5               86         .004111732
      5           D3               8,892,826        0.9727             9,142,414               9            1,634         .007567125
      6           G1              27,202,359        1.0031            27,118,292               8               29         .001521546
  RANDOM TOTALS:                 104,815,958                         108,329,102              45            2,423
  CATG J  EXCEPTION VALUES:        5,278,024                           5,280,488
  CATG D1 EXCEPTION VALUES:        6,523,214                           6,950,730
 TOTAL TEST VALUES (4):          116,617,196                         120,560,320
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:            6,028,016
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            114,532,304 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             116,617,196 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            126,588,336 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             130,543,866 (SEE ISD SUMMARY WORKSHEET)

 SOURCES:
 (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430
 (2) NUMBER OF PARCELS SAMPLED BY STAFF
 (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT
 (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES
 (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES